公开(公告)号：US20200328458A1

公开(公告)日：2020-10-15

申请号：US16911616

申请日：2020-06-25

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： TETSUYA ASANO ,  AKIHIRO SAKAI ,  MASASHI SAKAIDA ,  YUSUKE NISHIO ,  AKINOBU MIYAZAKI ,  SHINYA HASEGAWA

IPC: H01M10/0562 ,  H01M10/0525 ,  C01F17/36

Abstract: A solid electrolyte material includes a first crystal phase. The first crystal phase has a composition that is deficient in Li as compared with a composition represented by the following composition formula (1). Li3Y1Br6  formula (1)

公开(公告)号：US20250015286A1

公开(公告)日：2025-01-09

申请号：US18890830

申请日：2024-09-20

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： KEITA MIZUNO ,  YOSHIAKI TANAKA ,  AKIHIRO SAKAI

IPC: H01M4/58 ,  H01M4/02

Abstract: An oxyhalide material of the present disclosure contains Li, M, O, and X. M is at least two selected from Group 5 elements. X is at least one selected from the group consisting of F, Cl, Br, and I. The oxyhalide material of the present disclosure shows a reversible oxidation-reduction reaction. In an X-ray diffraction pattern obtained by X-ray diffraction measurement on the oxyhalide material using Cu-Kα radiation, at least one peak is present in a first range, and (A) or (B) below is satisfied: (A) No peak is present in a second range. (B) At least one peak is present in the second range, and a ratio of intensity Ip1 of a peak with the highest intensity present in the first range to intensity Ip2 of a peak with the highest intensity present in the second range Ip1/Ip2 is larger than 5.

公开(公告)号：US20230395846A1

公开(公告)日：2023-12-07

申请号：US18452117

申请日：2023-08-18

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： KAZUFUMI MIYATAKE ,  YUSUKE NISHIO ,  TAKASHI KUBO ,  TETSUYA ASANO ,  AKIHIRO SAKAI

IPC: H01M10/0562 ,  H01M4/62

CPC classification number: H01M10/0562 ,  H01M4/62 ,  H01M2300/008

Abstract: A solid electrolyte material of the present disclosure includes Li, Zr, Y, Cl, and O, wherein the molar ratio of O to Y is greater than 0 and less than or equal to 0.60. A battery of the present disclosure includes a positive electrode, a negative electrode, and an electrolyte layer disposed between the positive electrode and the negative electrode. At least one selected from the group consisting of the positive electrode, the negative electrode, and the electrolyte layer contains the solid electrolyte material of the present disclosure.

公开(公告)号：US20230016727A1

公开(公告)日：2023-01-19

申请号：US17933099

申请日：2022-09-17

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： KAZUFUMI MIYATAKE ,  YUSUKE NISHIO ,  TAKASHI KUBO ,  TETSUYA ASANO ,  AKIHIRO SAKAI

IPC: H01M10/0562 ,  H01M4/62 ,  C01F17/30

Abstract: A solid electrolyte material is made of Li, Ca, Y, Gd, X, O, and H, where X is at least one selected from the group consisting of F, Cl, Br, and I; and the molar ratio of O to the sum of Y and Gd is greater than 0 and less than 0.82.

公开(公告)号：US20230006246A1

公开(公告)日：2023-01-05

申请号：US17929327

申请日：2022-09-02

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： TAKASHI KUBO ,  KAZUFUMI MIYATAKE ,  YUSUKE NISHIO ,  AKIHIRO SAKAI

IPC: H01M10/0562 ,  C01F17/36

Abstract: The production method of the present disclosure includes: heat-treating a material mixture containing LiA, YB3, GdC3, and CaD2 in an inert gas atmosphere. A, B, C, and D are each independently at least one selected from the group consisting of F, Cl, Br, and I. In the heat-treating, the material mixture is heat-treated at higher than or equal to 200° C. and lower than or equal to 700° C.

公开(公告)号：US20210408586A1

公开(公告)日：2021-12-30

申请号：US17471767

申请日：2021-09-10

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： KOKI UENO ,  AKIHIRO SAKAI ,  AKINOBU MIYAZAKI

IPC: H01M10/0562 ,  H01M10/0525 ,  H01M4/04

Abstract: The present disclosure provides a solid electrolyte material having high lithium ion conductivity. The solid electrolyte material of the present disclosure includes Li, M1, M2 and X, and has a spinel structure. M1 is at least one element selected from the group consisting of Mg and Zn. M2 is at least one element selected from the group consisting of Al, Ga, Y, In and Bi. X is at least one element selected from the group consisting of F, Cl, Br and I.

公开(公告)号：US20210391595A1

公开(公告)日：2021-12-16

申请号：US17460406

申请日：2021-08-30

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： TAKASHI KUBO ,  TETSUYA ASANO ,  AKINOBU MIYAZAKI ,  AKIHIRO SAKAI

IPC: H01M10/0562

Abstract: The present disclosure provides a solid electrolyte material having a high lithium ion conductivity. The solid electrolyte material according to the present disclosure consists essentially of Li, Zr, Y, M, and X. M is at least one element selected from the group consisting of Al, Ga, In, Sc, and Bi. X is at least one element selected from the group consisting of Cl and Br.

公开(公告)号：US20210296693A1

公开(公告)日：2021-09-23

申请号：US17338672

申请日：2021-06-04

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： YUSUKE NISHIO ,  KAZUFUMI MIYATAKE ,  TAKASHI KUBO ,  TETSUYA ASANO ,  AKIHIRO SAKAI

IPC: H01M10/0562 ,  H01M10/0525 ,  H01M4/04

Abstract: A solid-electrolyte material includes Li, Y, O, and X. X is at least two elements selected from the group consisting of F, Cl, Br, and I.

公开(公告)号：US20210296692A1

公开(公告)日：2021-09-23

申请号：US17338670

申请日：2021-06-04

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： KOKI UENO ,  YOSHIAKI TANAKA ,  KAZUHIDE ICHIKAWA ,  TETSUYA ASANO ,  AKIHIRO SAKAI

IPC: H01M10/0562 ,  H01M10/0525 ,  H01M4/04

Abstract: The present disclosure provides a solid electrolyte material having high lithium ion conductivity. The solid electrolyte material according to the present disclosure has a crystal structure including a structure framework and an ion-conductive species, wherein the structure framework has a one-dimensional chain in which a plurality of polyhedrons are linearly connected to each other while sharing a corner, and each of the plurality of polyhedrons contains at least one type of cation and at least one type of anion.

公开(公告)号：US20210269325A1

公开(公告)日：2021-09-02

申请号：US17323933

申请日：2021-05-18

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： TAKASHI KUBO ,  YUSUKE NISHIO ,  AKIHIRO SAKAI ,  AKINOBU MIYAZAKI

IPC: C01F17/36

Abstract: A production method for producing a halide includes heat-treating, in an inert gas atmosphere, a mixed material in which LiCl and YCl3 are mixed. In the heat-treatment, the mixed material is heat-treated at higher than or equal to 200° C. and lower than or equal to 650° C.